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Finding the Fourth Proportional to 611,678.76, 917,310.38 and 232,508.24

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Solution

The fourth proportional to 611,678.76, 917,310.38 and 232,508.24 is: 348,683.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,678.76 : 917,310.38 = 232,508.24 : x
  2. Step 2: Convert to fraction form
    611,678.76/917,310.38 = 232,508.24/x
  3. Step 3: Cross multiply
    611,678.76x = 917,310.38 × 232,508.24
  4. Step 4: Simplify right side
    611,678.76x = 213,282,221,987.53
  5. Step 5: Solve for x
    x = 213,282,221,987.53/611,678.76
  6. Step 6: Final answer
    x = 348,683.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.